document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=84324>Question 84324</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618394389/algebrahomeworkh>Coll. Alg. Graphing Approach</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 1 over(x+h)^2 minus 1 over x^2  all this over h.  I have the solutions manual but I don't now how they got x^2-(x+h)^2 for the numerator after mult. by LCD.  What happened to the 1's in the original numerator?  Thank you!  Jackie </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #60727 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=60727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281+%2F%28%28x%2Bh%29%5E2%29+-+1+%2F%28+x%5E2%29%29+%2Fh ALIGN=MIDDLE  ALT=\"%281+%2F%28%28x%2Bh%29%5E2%29+-+1+%2F%28+x%5E2%29%29+%2Fh\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "It may help to write this in a different format:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+%2F%28%28x%2Bh%29%5E2%29+-+1+%2F%28+x%5E2%29+ ALIGN=MIDDLE  ALT=\"1+%2F%28%28x%2Bh%29%5E2%29+-+1+%2F%28+x%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > DIVIDED BY  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h ALIGN=MIDDLE  ALT=\"h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281+%2F%28%28x%2Bh%29%5E2%29+-+1+%2F%28+x%5E2%29%29%2A+%281%2Fh%29 ALIGN=MIDDLE  ALT=\"%281+%2F%28%28x%2Bh%29%5E2%29+-+1+%2F%28+x%5E2%29%29%2A+%281%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Now, you have to get the common denominator <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%28x%2Bh%29%5E2 ALIGN=MIDDLE  ALT=\"x%5E2%28x%2Bh%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > before you can subtract the first two fractions:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281+%2F%28%28x%2Bh%29%5E2%29%29%2A%28%28x%5E2%29%2F%28x%5E2%29%29+-+%281+%2F%28+x%5E2%29%29%2A%28%28%28x%2Bh%29%5E2%29%2F%28x%2Bh%29%5E2%29++%29%2A+%281%2Fh%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "It's hairy, but this is why your numerator is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2Ax%5E2+-+1%2A%28x%2Bh%29%5E2+ ALIGN=MIDDLE  ALT=\"+1%2Ax%5E2+-+1%2A%28x%2Bh%29%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, over the common denominator (times h, of course).  \r<BR>\n" );
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document.write( "R^2 at SCC<BR>\n" );
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